Home / 651,949.00-899,877.26-393,784.92

Finding the Fourth Proportional to 651,949.00, 899,877.26 and 393,784.92

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Solution

The fourth proportional to 651,949.00, 899,877.26 and 393,784.92 is: 543,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,949.00 : 899,877.26 = 393,784.92 : x
  2. Step 2: Convert to fraction form
    651,949.00/899,877.26 = 393,784.92/x
  3. Step 3: Cross multiply
    651,949.00x = 899,877.26 × 393,784.92
  4. Step 4: Simplify right side
    651,949.00x = 354,358,095,823.38
  5. Step 5: Solve for x
    x = 354,358,095,823.38/651,949.00
  6. Step 6: Final answer
    x = 543,536.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.